User Guide

Index 301
24592—Rev. 3.15—November 2009 AMD64 Technology
PUNPCKLDQ instruction ............................... 141, 213
PUNPCKLQDQ instruction.................................... 141
PUNPCKLWD instruction............................... 141, 213
PUSH instruction............................................... 44, 69
PUSHA instruction ............................................ 44, 69
PUSHAD instruction.......................................... 44, 69
PUSHF instruction................................................... 62
PUSHFD instruction ................................................ 62
PUSHFQ instruction ................................................ 62
PXOR instruction ........................................... 156, 222
Q
QNaN ............................................................ 129, 255
quadword ............................................................. xxiii
quiet NaN (QNaN).......................................... 129, 255
R
R8B–R15B registers ................................................ 26
R8D–R15D registers ................................................ 26
r8–r15................................................................. xxvii
R8–R15 registers ..................................................... 26
R8W–R15W registers .............................................. 26
range of values
128-bit media ..................................................... 127
64-bit media................................................ 204, 206
x87.................................................................... 252
RAX register ........................................................... 26
rAX–rSP ............................................................. xxvii
RAZ .................................................................... xxiii
RBP register............................................................ 26
rBP register ............................................................. 19
RBX register ........................................................... 26
RC field ................................................. 119, 245, 260
RCL instruction ....................................................... 52
RCPPS instruction ................................................. 171
RCPSS instruction ................................................. 171
RCR instruction....................................................... 52
RCX register ........................................................... 26
RDI register............................................................. 26
RDX register ........................................................... 26
read order................................................................ 93
real address mode. See real mode
real mode ................................................... xxiii, 7, 13
real numbers................................................... 128, 254
reciprocal estimation ....................................... 171, 227
reciprocal square root...................................... 171, 227
register extensions ............................................. 1, 3, 6
registers .................................................................... 3
128-bit media ..................................................... 116
64-bit media....................................................... 200
eAX–eSP .......................................................... xxvi
eFLAGS ........................................................... xxvi
EIP ...................................................................... 20
eIP
.................................................................... xxvi
extensions
.......................................................... 1, 3
IP ........................................................................ 20
MMX................................................................. 200
r8–r15 .............................................................. xxvii
rAX–rSP .......................................................... xxvii
rFLAGS ........................................................... xxvii
RIP ...................................................................... 20
rIP ............................................................. xxvii, 21
segment................................................................ 17
x87 control word................................................. 244
x87 last data pointer ............................................ 248
x87 last opcode................................................... 247
x87 last-instruction pointer .................................. 247
x87 physical ....................................................... 240
x87 stack............................................................ 239
x87 status word................................................... 241
x87 tag word ...................................................... 246
XMM................................................................. 116
relative ................................................................ xxiii
remainder .............................................................. 268
REP prefix............................................................... 73
REPE prefix ............................................................ 73
repeat prefixes ................................................. 73, 102
REPNE prefix.......................................................... 73
REPNZ prefix.......................................................... 73
REPZ prefix ............................................................ 73
reserved............................................................... xxiii
reset ...................................................................... 118
restoring state ........................................................ 290
RET instruction.................................................. 61, 81
revision history ........................................................ xv
REX prefixes ................................................. 6, 26, 74
RFLAGS register ............................................... 26, 33
rFLAGS register .................................................. xxvii
RIP register ....................................................... 20, 26
rIP register..................................................... xxvii, 21
RIP-relative addressing.................................... xxiv, 18
RIP-relative data addressing....................................... 7
ROL instruction ....................................................... 52
ROR instruction ....................................................... 52
rotate instructions..................................................... 52
rounding
128-bit media ............................................. 119, 132
64-bit media ............................................... 205, 206
x87 ..................................................... 245, 260, 268
rounding control (RC) field...................... 119, 245, 260
RSI register ............................................................. 26
RSP register....................................................... 26, 79
rSP register.............................................................. 19
RSQRTPS instruction............................................. 171
RSQRTSS instruction............................................. 171